Physics

Sophia Foley

Today, 02:59

Julie drives 100 mi to Grandmother's house. On the way to Grandmother's, Julie drives half the distance at 40 mph and half the time at 40 mph and half the time at 60 mph. a. How long does it take Julie to complete the trip to Grandmother's house? b. How long does the return trip take?

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Julie drives 100 mi to Grandmother's house. On the way to Grandmother's, Julie drives half the distance at 40 mph and half the time at 40 mph and half the time at 60 mph. a. How long does it take Julie to complete the trip to Grandmother's house? b.